Integrated In-Car Charging Layout for Fewer Wires and More Access

Solution Overview

Problem

Conventional vehicle-mounted charging devices require multiple wires for both power and data transmission, leading to increased costs, occupied volume, and reliability issues due to the need for separate wired and wireless charging solutions for front and rear passengers, which complicates the certification and installation process.

Innovation Solution

A vehicle-mounted charging device that integrates both wired and wireless charging capabilities, utilizing a main body unit to provide power to wireless and wired charging coils and units, reducing the number of wires needed between the device and the vehicle body by accommodating power, communication, and data transmission within the device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate wired and wireless chargers are disposed for front and rear passengers, then both wired and wireless charging needs are satisfied, but the number of wires increases, cost increases, and occupied volume increases

Engineering Contradiction:

Improvecharging capabilityVSAvoidnumber of wires

Core Design Contradiction:

Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent combines multiple charging functions (wired charging, wireless charging, data transmission) into a single integrated charging device. The device includes a charging terminal with wired charging ports, a wireless charging coil, and control circuits that share common power supply and control lines, thereby reducing the total number of wires needed while maintaining full charging versatility.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The charging device is designed to perform multiple functions simultaneously: it provides both wired and wireless charging capabilities, handles power transmission and data communication through integrated circuits, and can serve multiple passengers at different locations within the vehicle through shared power and control architecture.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If separate wired and wireless chargers are disposed for front and rear passengers, then both wired and wireless charging needs are satisfied, but cost increases due to multiple certifications and tests

Engineering Contradiction:

Improvecharging capabilityVSAvoidcertification cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent combines multiple charging functions (wired charging, wireless charging, data transmission) into a single integrated charging device. The device includes a charging terminal with wired charging ports, a wireless charging coil, and control circuits that share common power supply and control lines, thereby reducing the total number of wires needed while maintaining full charging versatility.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The charging device is designed to perform multiple functions simultaneously: it provides both wired and wireless charging capabilities, handles power transmission and data communication through integrated circuits, and can serve multiple passengers at different locations within the vehicle through shared power and control architecture.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If separate wired and wireless chargers are disposed, then charging needs are satisfied, but occupied volume increases

Engineering Contradiction:

Improvecharging capabilityVSAvoidoccupied volume

Core Design Contradiction:

Adaptability or versatilityVSVolume of stationary object

Solution Approach 1:

The patent combines multiple charging functions (wired charging, wireless charging, data transmission) into a single integrated charging device. The device includes a charging terminal with wired charging ports, a wireless charging coil, and control circuits that share common power supply and control lines, thereby reducing the total number of wires needed while maintaining full charging versatility.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent integrates the wireless charging coil and control circuits within the housing of the charging terminal, nesting multiple functional components within a compact structure. This allows the device to provide both wired and wireless charging capabilities while occupying minimal space in the vehicle interior.

Inventive Principle:

Principle #7Nested doll (Nesting)

4Reliability

If multiple wires are used for power and data transmission, then communication and power supply are ensured, but reliability decreases

Engineering Contradiction:

Improvesystem reliabilityVSAvoidwire complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple charging functions (wired charging, wireless charging, data transmission) into a single integrated charging device. The device includes a charging terminal with wired charging ports, a wireless charging coil, and control circuits that share common power supply and control lines, thereby reducing the total number of wires needed while maintaining full charging versatility.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces a control circuit as an intermediary that manages power distribution and data communication between the charging terminal and the vehicle's power supply system. This centralized control mechanism simplifies the wiring architecture by replacing multiple separate connections with a unified control interface, thereby improving reliability.

Inventive Principle:

Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This integration reduces the number of wires, lowers costs, minimizes occupied volume, enhances reliability, and improves flexibility and accessibility for passengers by simplifying the installation and operation of the charging system.

Implementation Method 1

the wireless charging coil charges a wireless electronic device disposed thereon through electromagnetic coupling

Methodology Applied

Scientific EffectElectromagnetic coupling: Electromagnetic Induction

Data Source

PatentUS11904699B2Vehicle-mounted charging device

Publication Date: 2024.02.20 DELTA ELECTRONICS (SHANGHAI) CO LTD

AI summary

A vehicle-mounted charging device is provided. The vehicle-mounted charging device includes a main body unit, at least one wireless charging coil and a plurality of wired charging units. The main body unit receives an input power, and provides at least one wireless charging power and a plurality of wired charging powers. The wireless charging coil is coupled to the main body unit for receiving the corresponding wireless charging power, and the wireless charging coil charges a wireless electronic device disposed thereon through electromagnetic coupling. Each wired charging unit includes a wire and an input terminal and an output terminal which are located at two sides of the wire respectively. The input terminal is coupled to the main body unit for receiving the corresponding wired charging power. The wired charging power is transmitted to the output terminal so as to charge the wired electronic device connected to the output terminal.